Fatal error: Uncaught Error: Call to undefined function test() in C:\xampp\htdocs\hannoole\POS\vendor\yajra\laravel-datatables\tests\Feature\PackageTest.php:3 Stack trace: #0 {main} thrown in C:\xampp\htdocs\hannoole\POS\vendor\yajra\laravel-datatables\tests\Feature\PackageTest.php on line 3